In software engineering, system modeling is the process of formulating a representation of a
real system in an abstract way to understand its behavior. Software testing encourages …

Conceptual models are used to visualise, envisage, and communicate the requirements,
structure, and behaviour of a system. Particularly, during design and analysis phases, a …

Semi-formal software techniques have been very successful in industry, government
institutions and other areas such as academia. Arguably, they owe a large part of their …

Testing is performed by different types of strategies. Generally testing is performed on code,
but if the software can be tested in the earlier phases then most of the errors can be …

A timely and complete test is an important factor to assure the functionality and safety of a
railway signal system before it is put into service. With the development of rail transportation …

Formal software development requires specifications that are both abstract and concrete,
and in addition a mechanism to refine abstract specifications to concrete specifications. The …

Test is one of the key methodologies to guarantee the functionality correctness and safety of
the railway signal system used in the operation line. The present test generation methods for …

The Guide to Reliable Distributed Systems: Building High-Assurance Applications and
Cloud-Hosted Services is a heavily edited new edition of a prior edition that went under the …

With the increasing use of design models during the development process, developers now
face a daunting task to maintain consistency between the design models and their …

A Use Case Map (UCM) is a scenario-based visual notation facilitating the requirements
definition of complex systems. A UCM may be generated either from a set of informal …